CN107254976B - Building method of modular shielding chamber and modular shielding chamber - Google Patents
Building method of modular shielding chamber and modular shielding chamber Download PDFInfo
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- CN107254976B CN107254976B CN201710464479.8A CN201710464479A CN107254976B CN 107254976 B CN107254976 B CN 107254976B CN 201710464479 A CN201710464479 A CN 201710464479A CN 107254976 B CN107254976 B CN 107254976B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B2001/925—Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays
Abstract
The invention belongs to the technical field of medical equipment, and discloses a modular shielding room which comprises a corner keel and shielding modules, wherein the corner keel is used for building a cuboid frame structure of the shielding room, a plurality of shielding modules are embedded in the cuboid frame structure, and the cuboid frame structure and the shielding modules form a semi-closed electromagnetic shielding room. The modularized shielding room is simple to install and high in stability, the weight of the whole shielding room is borne by the corner keels, meanwhile, the shielding wall surface module of the shielding room is formed by simply embedding the shielding modules into the shielding room frame, the splicing parts are simple and few in category, all assembly processing is finished in a professional factory, and the construction site is simply connected, so that standardized management is facilitated, and the quality of the shielding room is effectively guaranteed; the corner keel and the shielding module which can be detachably replaced ensure that the shielding chamber can be infinitely upgraded, and standard components can be flexibly installed and exchanged; the modular structure design of the shielding chamber ensures that the construction process is green and environment-friendly.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a construction method of a modular shielding room which is applied to medical treatment, can provide a reliable undisturbed environment for various superconducting and permanent magnet MRI tomography systems and can be flexibly installed and disassembled and the modular shielding room.
Background
Magnetic Resonance Imaging (MRI) is a medical image diagnosis technology widely used at present, and places where medical magnetic resonance equipment is placed are required to shield unnecessary interference signals, so that the problems of unclear detection images and the like of the equipment are avoided, and therefore, the magnetic resonance imaging equipment needs to be provided with corresponding electromagnetic shielding chambers.
The electromagnetic shielding room in the prior art has the disadvantages of more production manufacturers, uneven professional starting points and low standardization degree, the electromagnetic shielding room is mainly processed on site, the construction process is complicated, the quality of the finished product of the electromagnetic shielding room completely depends on the experience of construction and management personnel and the individual quality, so that the construction has no strict standard, the initial budget is continuously broken through due to uncertain factors of site construction, the progress of the project is seriously influenced even, and the preset construction period is usually prolonged.
In addition, the existing electromagnetic shielding room is in a plurality of fixed states, the upgrading of the electromagnetic shielding room is limited by a fixed wall surface structure, but along with the continuous acceleration of the technical innovation speed in the surgical field, the time interval for the transformation and the updating of the electromagnetic shielding room is shorter and shorter, but the wall surface cannot be upgraded and lags behind.
Meanwhile, indoor decoration of the electromagnetic shielding chambers is complex and tedious, the construction period is prolonged, and a large amount of dust and harmful volatile matters are generated in the construction process, so that the electromagnetic shielding chambers, constructors and the surrounding environment are harmed for a long time.
In addition, defects are easy to be missed in the complex construction process, various uncontrollable risks occur in the shielding construction process, the shielding efficiency is difficult to guarantee, the service life of the shielding body is further influenced, multiple aspects of maintenance are needed in the later period, and the use cost is increased.
Disclosure of Invention
The invention solves the technical problem of overcoming the defects of the prior art, and provides the modular shielding chamber which has the advantages of simple structure, convenient assembly and disassembly, strong interchangeability and excellent shielding performance, can adapt to various condition changes, conveniently and quickly realizes the construction and reconstruction of the shielding chamber, and has strong economical efficiency.
The purpose of the invention is realized by the following technical scheme:
a method of constructing a modular shielded room, comprising the steps of:
s1, ground treatment: paving a waterproof and moistureproof material and an insulating layer on the ground;
s2, building a shielding room frame: a shielding room frame is built by adopting corner keels, and the cross sections of the corner keels are of L-shaped structures;
s3, laying the indoor ground of the shielding chamber: an electromagnetic shielding layer, a first density board layer, a second density board layer and a floor layer are sequentially laid on the indoor ground of the shielding room from bottom to top, the first density board layer is clamped between the end parts of the corner keels of the L-shaped structure, the first density board layer is equal to the end parts in height, and the second density board layer and the floor layer are arranged between the L-shaped opening parts of the corner keels;
s4, mounting a shielding module: the outer surface cladding of corner fossil fragments has the electromagnetic shield layer, and the tip internal surface that has shielding module surface laminating "L" shape corner fossil fragments of electromagnetic shield layer sets up, and the electromagnetic shield layer of corner fossil fragments surface extends to the contact surface of corner fossil fragments and shielding module, polylith shielding module embedding screened room frame constitutes the shielding surface of screened room.
Specifically, in the step S1, the waterproof and moistureproof material comprises an SBS waterproof and moistureproof layer and a moistureproof plastic film layer which are sequentially arranged from bottom to top; the insulating layer is a PVC plate insulating layer, and gaps between PVC plates are sealed by double-layer laminating of transparent adhesive tapes.
Furthermore, the corner keels are spliced at corners of the top angle of the frame of the shielding room by adopting a 45-degree oblique angle.
Furthermore, the corner keel vertically arranged on the frame of the shielding chamber is connected with the corresponding indoor wall surface for placing the shielding chamber by adopting an adjustable square steel assembly, so that the overall stability of the shielding chamber is guaranteed.
The invention also provides a modularized electromagnetic shielding room which comprises the corner keel and shielding modules, wherein the corner keel is used for building a cuboid frame structure of the electromagnetic shielding room, a plurality of shielding modules are embedded in the cuboid frame structure, and the cuboid frame structure and the shielding modules form a semi-closed electromagnetic shielding room.
Specifically, the long edge of the bottom surface of the cuboid frame structure is provided with an opening for installing an electromagnetic shielding door.
Furthermore, an electromagnetic shielding layer is coated on the outer surface of the shielding chamber frame and extends to cover the contact surface between the corner keel and the shielding module; the ground electromagnetic shielding layer capable of completely covering the whole bottom surface of the shielding room is laid on the bottom surface of the shielding room frame, and the ground electromagnetic shielding layer is connected with the electromagnetic shielding layer coated on the corner keel on the bottom surface of the shielding room frame.
Specifically, the joints of the electromagnetic shielding layers need to be fully soldered by tin so as to ensure the excellent shielding sealing performance of the shielding chamber.
Further, the cross section of the corner keel is of an L-shaped structure, the corner keel of the L-shaped structure is provided with a first end and a second end which are of the same structure, and the inner side of the first end and/or the inner side of the second end are/is provided with a flat surface which is in contact with the shielding module.
Furthermore, a connecting groove is formed in the flat surface, an L-shaped bending structure is arranged at the connecting position of the connecting groove and the flat surface, the bending structure comprises a straight line part and a bending part, one end of the straight line part is connected with the flat surface in a flush mode, the other end of the straight line part is connected with the bending part, and the bending part extends into the connecting groove; the corner keel and the shielding module are fixedly connected through bolts arranged in the connecting grooves.
Further, the corner keel has end connection grooves identical to the connection grooves at both end surfaces of the "L" shape, respectively.
Specifically, the end connection groove is used for fixing the corner code at the corner of the frame top corner of the shielding room, and is also suitable for fixing the corner keel at the inner side by adopting a connecting plate at the splicing part of the frame side length of the shielding room.
Further, the first end or the second end is provided with a flat protrusion extending along the direction of the connecting groove in the reverse direction on the bending part close to the edge of the corner keel, and the flat protrusion is used for providing support guarantee for the shielding module.
Specifically, when the corner keel is used for building a shielding room frame, the installation of the corner keel on the bottom surface and the top surface of the frame needs to follow: the flat protrusions of the corner keels are arranged oppositely and used for fixing and supporting the shielding modules in the height direction of the shielding chamber.
Further, the shielding module comprises a shielding plate, and a section bar and a pressing bar which are used for fixing the shielding plate, wherein the section bar and the pressing bar are used in a matched mode.
Specifically, the shielding plate comprises a paint-free plate and an electromagnetic shielding layer attached to a first surface of the paint-free plate.
The section bar is provided with a flat surface in contact with the electromagnetic shielding layer, a first groove penetrating through the section bar is formed in the center of the flat surface, a connecting part of the first groove and the flat surface is provided with a zigzag protruding structure, the protruding structure comprises a first protrusion protruding out of the flat surface perpendicularly and a second protrusion extending into the groove, and a connecting part is arranged between the first protrusion and the second protrusion.
Specifically, the layering is the protruding, the straight "nearly" font stripe structure in both ends in middle part, the protruding first arch or the laminating of connecting portion top surface with the section bar in middle part of layering, the straight portion of layering and the smooth surface formation of section bar hold the space of shield plate, the second surface contact of straight portion and shield plate.
Furthermore, the section bar is connected with the pressing strip through a bolt and a nut, the inner end face of the bolt head of the bolt is attached to the top face of the second protrusion, and the nut is attached to the inner surface of the middle protrusion and screwed with the bolt.
Furthermore, the corner keel and the section bar are both made of aluminum alloy materials so as to form good conductivity with the electromagnetic shielding layer and ensure the overall shielding performance of the shielding chamber.
In consideration of the safety problem of equipment, all parts for connection, such as bolts, nuts and the like, are nonmagnetic metal parts.
Compared with the prior art, the invention has the following beneficial effects:
the modularized shielding room is simple and convenient to install, firm and durable, high in stability and free of being attached to a building wall, the corner keel bears the weight of the whole shielding room, and other parts of the shielding room are free of being in contact with the ground, so that the purpose of integrally disassembling the modularized shielding room on the basis of not damaging the modularized shielding room is achieved;
the shielding wall surface module of the shielding chamber is formed by simply embedding the shielding module into the shielding chamber frame, the assembly parts are simple and few in category, the processing of all components is completed in a professional factory, and the standardized management is facilitated by simply connecting the components on a construction site, so that the quality of the shielding chamber is effectively guaranteed.
Corner keel and shielding module which can be disassembled and replaced ensure that the shielding room can be upgraded infinitely, and standard components can be flexibly installed and exchanged.
The modular structure design of shielding room makes the work progress green, and whole no dust, harmful volatile substance appear, have avoided the lasting influence of these harmful matters to the shielding room simultaneously.
Drawings
FIG. 1 is a schematic structural view of the modular shielded room;
FIG. 2 is a partially enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic structural view of the corner keel;
fig. 4 is a schematic view of a connection structure of corner keels and shielding modules on the bottom surface of a shielding room frame structure;
FIG. 5 is a schematic structural view of a corner keel coated electromagnetic shielding layer on the bottom surface of a frame structure of a shielding room;
FIG. 6 is a schematic structural view between the shielding chamber frame and the ground;
fig. 7 is a schematic structural view of the shielding module;
fig. 8 is a schematic cross-sectional view of the shielding module;
fig. 9 is a schematic view of the structure of the profile in the shielding module.
Detailed Description
The present invention will be further described with reference to the following detailed description, wherein the drawings are provided for illustrative purposes only and are not intended to be limiting; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, a modular shielding room is provided, which includes a rectangular shielding room frame structure built by corner keels 1, and shielding modules 2 embedded in the whole frame of the shielding room, specifically, the rectangular shielding room frame structure and the shielding modules 2 form a semi-closed shielding room.
As shown in the enlarged view of fig. 2, the shielding room of the present embodiment adopts the corner keel 1 for integral load bearing, and the shielding module 2 is not in contact with the ground, so as to realize the integral modular design of the shielding room.
As shown in fig. 3, the cross section of the corner keel 1 is in an "L" shape, the corner keel of the "L" shape has a first end 11 and a second end 12 with the same structure, and the inner side of the first end and/or the second end has a flat surface contacting with the shielding module.
The flat surface is provided with a connecting groove 13, the joint of the connecting groove 13 and the flat surface is provided with an L-shaped bending structure 14, the bending structure 14 comprises a straight line part 141 and a bending part 142, one end of the straight line part 141 is connected with the flat surface in a flush manner, the other end of the straight line part is connected with the bending part 142, and the bending part 142 extends into the connecting groove 13; the corner keel 1 and the shielding module 2 are fastened and connected through bolts arranged in the connecting grooves.
In order to increase the conductivity of the contact surface between the corner keel 1 and the shielding module 2, the flat surface of the corner keel 1 is provided with a tightening line 10 protruding out of the flat surface, so that the shielding module is in contact with the shielding layer of the shielding module more tightly, the continuity of conduction is enhanced, and the shielding module is prevented from slipping off.
The corner keel 1 further comprises an L-shaped connecting part 15, wherein the two end parts of the L-shaped connecting part are respectively attached to the flat surfaces of the first end part and the second end part, and the thickness of any end part of the L-shaped connecting part 15 is equal to that of the shielding module 2.
As shown in fig. 4, the "L" shaped connection portion 15 plays a certain auxiliary supporting role for the bolt connection between the corner keel 1 and the shielding module 2, when the corner keel 1 is connected with the shielding module 2, the inner end face of the bolt head of the bolt 3 is attached to the top face of the bending portion 142 in the connection groove of the corner keel, the connection end of the bolt 3 protrudes out of the shielding module 2, the nut is adopted, the washer 4 is screwed with the bolt 3, the washer 4 is attached to the surfaces of the shielding module 2 and the end portion of the "L" shaped connection portion 15 at this time, and the connection stability is increased.
The bolt connection mode of the corner keel 1 and the shielding module 2 enables main parts of a shielding room to be mutually independent and not to be limited, destructive disassembly can be achieved, disassembly can be carried out at any time, assembly can be carried out at any time, and exchange universality is high.
Meanwhile, the corner keel 2 has end coupling grooves 16 identical to the coupling grooves 13 on the surfaces of the first end 11 and the second end 12, respectively.
Specifically, the end connection recess is used for corner fossil fragments 1 to set up fixed angle sign indicating number when 45 oblique angles splice, and two corner fossil fragments of concatenation are with the angle sign indicating number inside and outside fixed, make the whole frame construction of shielded cell more all positive firm, and more specifically, the whole frame construction of shielded cell all sets up fixed angle sign indicating number at the corner and fixes, and every apex angle department of frame construction needs to set up 4 angle signs promptly.
Similarly, the corner keel on the side length of the shielding room frame structure is fixed at the splicing position by adopting a connecting plate at the inner side, through holes with uniform intervals are formed in the connecting plate, and bolts arranged in the end connecting grooves are fixed by nuts after passing through the through holes.
For making shielding module 2 inseparabler firm with being connected of corner fossil fragments 1, first end or the second end on the corner fossil fragments 1 have along the smooth arch 17 of connecting groove 13 direction reverse extension on the portion 142 of bending near the corner fossil fragments edge, level and smooth arch 17 and be used for providing the support guarantee for shielding module 2, level and smooth protruding 17 highly less than or equal to shielding module 2's thickness.
Corner fossil fragments when building shielded room frame, the installation of the corner fossil fragments of frame bottom surface and top surface need follow: the flat protrusions of the corner keels are arranged oppositely and used for fixing and supporting the shielding modules in the height direction of the shielding chamber.
As shown in fig. 5, in order to ensure the overall shielding effect of the shielding chamber and avoid the influence of the contact surface between the corner keel 1 and the shielding module 2 on the shielding performance, the outer surface of the rectangular shielding chamber frame structure is coated with an electromagnetic shielding layer 5, and the electromagnetic shielding layer 5 extends to the contact surface covering the corner keel 1 and the shielding module 2.
The ground electromagnetic shielding layer 6 capable of completely covering the whole bottom surface of the shielding chamber is laid on the bottom surface of the shielding chamber frame structure, and the ground electromagnetic shielding layer 6 is connected with the electromagnetic shielding layer 5 coated on the corner keel of the bottom surface of the shielding chamber frame so that the whole outer surface of the shielding chamber is completely coated by the electromagnetic shielding layer.
Specifically, the joint of the electromagnetic shielding layers is fully welded by tin soldering, so that the excellent shielding sealing performance of the shielding chamber is ensured.
Shield door and observation window are installed to the shield room, and cuboid frame construction bottom surface long limit has the opening and is used for installing the shield door, and the side that cuboid frame construction formed is equipped with the opening of installation observation window.
Example 2
Based on the modular shielded room of embodiment 1, the present embodiment provides a method for constructing a modular shielded room, as shown in fig. 6, comprising the steps of:
s1, ground treatment: paving a waterproof and moistureproof material and an insulating layer on the ground, wherein the waterproof and moistureproof material comprises an SBS waterproof and moistureproof layer 7 and a moistureproof plastic film layer 8 which are sequentially arranged from bottom to top, the insulating layer is a PVC plate insulating layer 9, and gaps between PVC plates are sealed by double-layer laminating of transparent adhesive tapes;
s2, building a shielding room frame: a rectangular shielding room frame structure is built by adopting corner keels 1, the cross sections of the corner keels 1 are of L-shaped structures, and the open ends of the L-shaped corner keels face the interior of the rectangular frame structure; the rectangular shielding room frame structure is arranged on the ground PVC plate insulating layer 9, the corner keels 1 are spliced at corners of the top corners of the shielding room frame structure by adopting 45-degree oblique angles, and the vertically arranged corner keels 1 of the rectangular shielding room frame structure are connected with corresponding indoor wall surfaces for placing shielding rooms by adopting adjustable square steel components; gaps are formed between the wall surfaces of the shielding rooms and the corresponding indoor wall surfaces;
s3, laying the indoor ground of the shielding chamber: a ground electromagnetic shielding layer 6, a first density board layer 100, a second density board layer 110 and a floor layer 120 are sequentially laid on the ground in the shielding room from bottom to top, wherein the first density board layer 100 is clamped between the end parts of the corner keels 1 in the L-shaped structure, the first density board layer 100 is as high as the end parts, and the second density board layer 110 and the floor layer are arranged between the opening parts in the shape of the corner keels 1"L';
the first density board layer 100 is formed by splicing two density boards with equal thickness;
s4, mounting a shielding module: the surface cladding of corner fossil fragments 1 has electromagnetic shield layer 5, and the tip internal surface that has shielding module 2 surface laminating "L" shape corner fossil fragments 1 of electromagnetic shield layer sets up, and the electromagnetic shield layer 5 of corner fossil fragments surface extends to the contact surface of corner fossil fragments 1 and shielding module 2, and polylith shielding module embedding shielded room frame constitutes the shielding surface of shielded room.
The shielding room has hardware facilities such as shield door and observation window, and when shielding module and cuboid frame construction spliced, the shielding module is assembled to the shielding door that the priority was followed the electromagnetic shielding room, observation window etc. and is close to corner fossil fragments department.
Example 3
As shown in fig. 7 to 9, a shielding module 2 for constructing a modular shielding room in embodiment 1 is provided, which includes a shielding plate 21, a profile 22 for fixing the shielding plate, and a pressing bar 23, wherein the profile 22 and the pressing bar 23 are used in cooperation.
The shielding plate 21 includes a paint-free plate 210 and an electromagnetic shielding layer 211 attached to a first surface of the paint-free plate 210.
The section bar 22 is provided with a flat surface 220 contacting with the electromagnetic shielding layer 211, the center of the flat surface is provided with a first groove 221 penetrating through the section bar 22, the joint of the first groove 221 and the flat surface is provided with a zigzag projection structure, the projection structure comprises a first projection 222 vertically projecting from the flat surface and a second projection 223 extending into the groove, and a connecting part 224 is arranged between the first projection 222 and the second projection 223.
The pressing strip 23 is of a structure of a reversed V-shaped strip with a convex middle part and straight two ends, the convex middle part of the pressing strip is attached to the top surface of the first protrusion 222 or the connecting part 224 of the section bar, the straight part of the pressing strip 23 and the flat surface of the section bar form a space for accommodating the shielding plate 21, and the straight part is in contact with the second surface of the shielding plate.
The flat surface 220 of the profile is provided with a tie line 2201 capable of enhancing the conduction with the shielding plate, and the tie line 2201 protrudes out of the flat surface so as to ensure that the flat surface is contacted with the electromagnetic shielding layer 211 more tightly, enhance the continuity of conduction and prevent the shielding plate from slipping off.
The section bar 22 is connected with the pressing strip 23 through a bolt 24 and a nut 25, the inner end face of the bolt head of the bolt 24 is attached to the top face of the second protrusion 223, and the nut 25 is attached to the inner surface of the middle protrusion of the pressing strip and screwed with the bolt 24.
Specifically, when the shielding module of this embodiment is assembled with the corner keel, after one shielding plate is bolted to the corner keel, a section bar is added to the side of the shielding plate, and then the next shielding plate is installed on the section bar, and other shielding modules are all installed in this order, and meanwhile, the gap between each shielding plate and the section bar is ensured to be uniform by referring to the design drawing gap of the shielding room.
The corner keel and the section bar are both made of aluminum alloy materials, so that good conduction with the electromagnetic shielding layer is facilitated, and the overall shielding performance of the shielding chamber is guaranteed.
In consideration of equipment safety, all parts for connection, such as bolts, nuts, washers and the like, are nonmagnetic metal parts.
The modularized shielding room is simple and convenient to disassemble and assemble, the connection relationship between the corner keel and the shielding module and between the shielding plate and the section bar is realized by adopting the bolt and nut, the disassembling and assembling process has no damage risk, the modularized design function of the shielding room is realized, and meanwhile, the interchangeability of all parts is strong, the standardized management is convenient, and the quality of the shielding room is effectively guaranteed.
It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The modularized shielding room is characterized by comprising a corner keel and shielding modules, wherein the corner keel is used for building a cuboid frame structure of the shielding room, a plurality of shielding modules are embedded in the cuboid frame structure, the cuboid frame structure and the shielding modules form a semi-closed electromagnetic shielding room, an electromagnetic shielding layer is coated on the outer surface of the cuboid frame structure, and the electromagnetic shielding layer extends to cover the contact surface of the corner keel and the shielding modules; the bottom surface of the rectangular frame structure is paved with a ground electromagnetic shielding layer capable of completely covering the whole bottom surface of the shielding chamber, the ground electromagnetic shielding layer is connected with the electromagnetic shielding layer coated on the corner keel on the bottom surface of the rectangular frame structure, the cross section of the corner keel is of an L-shaped structure, the corner keel of the L-shaped structure is provided with a first end part and a second end part which are the same in structure, the inner side of the first end part and/or the second end part is provided with a flat surface which is contacted with the shielding module, the flat surface is provided with a connecting groove, the connecting part of the connecting groove and the flat surface is provided with an L-shaped bending structure, the bending structure comprises a straight line part and a bending part, one end of the straight line part is connected with the flat surface in a flush manner, the other end of the straight line part is connected with the flat surface, and the bending part is connected with the other end of the straight line part, and the bending part extends into the connecting groove; the corner keel and the shielding module are fixedly connected through bolts arranged in the connecting groove, the first end part or the second end part is provided with a flat bulge which extends reversely along the direction of the connecting groove on a bent part close to the edge of the corner keel, and the flat bulge is used for providing support guarantee for the shielding module;
the shielding module comprises a shielding plate, a section and a pressing strip, wherein the section and the pressing strip are used for fixing the shielding plate and are used in a matched mode;
the shielding plate comprises a paint-free plate and an electromagnetic shielding layer attached to the first surface of the paint-free plate;
the electromagnetic shielding section comprises a section bar and an electromagnetic shielding layer, wherein the section bar is provided with a flat surface which is in contact with the electromagnetic shielding layer, the center of the flat surface is provided with a first groove which penetrates through the section bar, the joint of the first groove and the flat surface is provided with a zigzag projection structure, the projection structure comprises a first projection which is vertically projected from the flat surface and a second projection which extends into the groove, and a connecting part is arranged between the first projection and the second projection;
the utility model discloses a shielding plate's structure, including the layering, the layering is protruding, the layering is the protruding "nearly" font strip structure of middle part, both ends are straight, protruding and the first arch of section bar or the laminating of connecting portion top surface of the middle part of layering, the straight portion of layering and the smooth surface formation of section bar hold the space of shielding plate, the second surface contact of straight portion and shielding plate, be connected through bolt and nut between section bar and the layering, the terminal surface laminating second bellied top surface in the bolt head of bolt, the bellied internal surface in middle part of the nut laminating closes with the bolt is soon.
2. A method of constructing a modular shielded room, comprising a modular shielded room of claim 1.
3. A method of constructing a modular shielded room according to claim 2, comprising the steps of:
s1, ground treatment: paving a waterproof and moistureproof material and an insulating layer on the ground;
s2, building a cuboid frame structure: a rectangular frame structure of a corner keel is adopted, and the cross section of the corner keel is of an L-shaped structure;
s3, laying the indoor ground of the shielding chamber: an electromagnetic shielding layer, a first density board layer, a second density board layer and a floor layer are sequentially laid on the indoor ground of the shielding chamber from bottom to top, the first density board layer is clamped between the end parts of the corner keels of the L-shaped structure, the first density board layer is as high as the end parts, and the second density board layer and the floor layer are arranged between the L-shaped opening parts of the corner keels;
s4, mounting a shielding module: the outer surface cladding of corner fossil fragments has the electromagnetic shield layer, and the tip internal surface that has shielding module surface laminating "L" shape corner fossil fragments of electromagnetic shield layer sets up, and the electromagnetic shield layer of corner fossil fragments surface extends to the contact surface of corner fossil fragments and shielding module, polylith shielding module embedding cuboid frame construction constitutes the shielding surface of shielded cell.
4. The method for constructing the modular shielding room as claimed in claim 3, wherein the corner keels are spliced at the corners of the top corners of the rectangular frame structure by using a 45 ° bevel angle in step S2.
5. The method for constructing the modular shielding chamber according to claim 3, wherein in the step S2, the corner keels vertically arranged on the rectangular frame structure are connected with the corresponding indoor wall surface for placing the shielding chamber by adjustable square steel components.
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| CN201710464479.8A CN107254976B (en) | 2017-06-19 | 2017-06-19 | Building method of modular shielding chamber and modular shielding chamber |
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| CN201710464479.8A CN107254976B (en) | 2017-06-19 | 2017-06-19 | Building method of modular shielding chamber and modular shielding chamber |
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| CN109098485A (en) * | 2018-09-26 | 2018-12-28 | 艺搭环保科技（上海）有限公司 | A kind of platform building structure |
| CN109098486A (en) * | 2018-09-26 | 2018-12-28 | 艺搭环保科技（上海）有限公司 | A kind of platform builds system |
| CN109138531A (en) * | 2018-09-30 | 2019-01-04 | 艺搭环保科技（上海）有限公司 | A kind of sector builds module and builds system |
| CN111827734A (en) * | 2019-04-19 | 2020-10-27 | 北京国原新技术有限公司 | Method for constructing modular diagnosis and treatment room for PET/SPECT device |
| CN110397332B (en) * | 2019-08-10 | 2024-03-12 | 北京亿策工程技术有限公司 | Welding assembly combined shielding body |
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|---|---|
| CN107254976A (en) | 2017-10-17 |
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